oj.uz

Submission #1011311

# Submission time Handle Problem Language Result Execution time Memory
1011311 2024-06-30T10:15:08 Z parsadox2 Last supper (IOI12_supper) C++17
0 / 100
 211 ms 22352 KB 
#include <bits/stdc++.h>
#include "advisor.h"

#define F first
#define S second

using namespace std;

const int N = 1e5 + 10;
int n , m , k , ar[N] , lg;
vector <int> pos[N];

struct SEG{
	int sum[N << 2];
	void Add(int x , int node = 1 , int nl = 0 , int nr = n)
	{
		sum[node]++;
		if(nl + 1 == nr)
			return;
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			Add(x , lc , nl , mid);
		else
			Add(x , rc , mid , nr);
	}
	void Rem(int x , int node = 1 , int nl = 0 , int nr = n)
	{
		sum[node]--;
		if(nl + 1 == nr)
			return;
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			Rem(x , lc , nl , mid);
		else
			Rem(x , rc , mid , nr);
	}
	int Get_val(int x , int node = 1 , int nl = 0 , int nr = n)
	{
		if(nl + 1 == nr)
			return nl;
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x <= sum[lc])
			return Get_val(x , lc , nl , mid);
		else
			return Get_val(x - sum[lc] , rc , mid , nr);
	}
	int Get_id(int x , int node = 1 , int nl = 0 , int nr = n)
	{
		if(nl + 1 == nr)
			return sum[node];
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			return Get_id(x , lc , nl , mid);
		else
			return sum[lc] + Get_id(x , rc , mid , nr);
	}
	bool Ex(int x , int node = 1 , int nl = 0 , int nr = n)
	{
		if(nl + 1 == nr)
			return sum[node];
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			return Ex(x , lc , nl , mid);
		else
			return Ex(x , rc , mid , nr);
	}
} seg;

void Print(int val)
{
	for(int i = 0 ; i < lg ; i++)
	{
		if((val >> i) & 1)
			WriteAdvice(1);
		else
			WriteAdvice(0);
	}
}

void ComputeAdvice(int *C, int nn, int kk, int mm) {
	n = nn;
	k = kk;
	m = mm;
	lg = 1;
	int tmp = 2;
	while(tmp < k)
	{
		lg++;
		tmp *= 2;
	}
	for(int i = 0 ; i < n ; i++)
	{
		ar[i] = C[i];
		pos[i].push_back(n + 1);
	}
	for(int i = n - 1 ; i > -1 ; i--)
	{
		pos[ar[i]].push_back(i);
	}
	set <pair<int , int>> st;
	for(int i = 0 ; i < k ; i++)
	{
		seg.Add(i);
		st.insert(make_pair(pos[i].back() , i));
	}
	for(int i = 0 ; i < n ; i++)  
	{
		if(!seg.Ex(ar[i]))
		{
			pos[ar[i]].pop_back();
			auto it = st.end();  it--;  auto now = *it;
			st.erase(now);
			int id_rem = seg.Get_id(now.S);
			id_rem--;
			seg.Rem(now.S);
			seg.Add(ar[i]);
			st.insert(make_pair(pos[ar[i]].back() , ar[i]));
			Print(id_rem);
		}
		else
		{
			st.erase(make_pair(pos[ar[i]].back() , ar[i]));
			pos[ar[i]].pop_back();
			st.insert(make_pair(pos[ar[i]].back() , ar[i]));
		}
	}
}



//

#include <bits/stdc++.h>
#include "assistant.h"

#define F first
#define S second

using namespace std;

const int N = 1e5 + 10;

int n2 , k2 , r2 , lg2;

struct SEG{
	int sum[N << 2];
	void Add(int x , int node = 1 , int nl = 0 , int nr = n2)
	{
		sum[node]++;
		if(nl + 1 == nr)
			return;
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			Add(x , lc , nl , mid);
		else
			Add(x , rc , mid , nr);
	}
	void Rem(int x , int node = 1 , int nl = 0 , int nr = n2)
	{
		sum[node]--;
		if(nl + 1 == nr)
			return;
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			Rem(x , lc , nl , mid);
		else
			Rem(x , rc , mid , nr);
	}
	int Get_val(int x , int node = 1 , int nl = 0 , int nr = n2)
	{
		if(nl + 1 == nr)
			return nl;
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x <= sum[lc])
			return Get_val(x , lc , nl , mid);
		else
			return Get_val(x - sum[lc] , rc , mid , nr);
	}
	int Get_id(int x , int node = 1 , int nl = 0 , int nr = n2)
	{
		if(nl + 1 == nr)
			return sum[node];
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			return Get_id(x , lc , nl , mid);
		else
			return sum[lc] + Get_id(x , rc , mid , nr);
	}
	bool Ex(int x , int node = 1 , int nl = 0 , int nr = n2)
	{
		if(nl + 1 == nr)
			return sum[node];
		int mid = (nl + nr) >> 1 , lc = node << 1 , rc = lc | 1;
		if(x < mid)
			return Ex(x , lc , nl , mid);
		else
			return Ex(x , rc , mid , nr);
	}
} seg2;

void Assist(unsigned char *ar, int nn, int kk, int rr) {
	n2 = nn;
	k2 = kk;
	r2 = rr;
	lg2 = 1;
	int tmp = 2;
	while(tmp < k2)
	{
		lg2++;
		tmp *= 2;
	}
	//cout << lg2 << endl;
	for(int i = 0 ; i < k2 ; i++)
		seg2.Add(i);
	int pos = 0;
	for(int i = 0 ; i < n2 ; i++)
	{
		int now = GetRequest();
		if(seg2.Ex(now))
			continue;
		int id = 0;
		for(int j = 0 ; j < lg2 ; j++)
		{
			if(ar[pos] == '1')
			{
				id |= (1 << j);
			}
			pos++;
		}
		id++;
		//cout << "WERWER " << id << endl;
		int bd = seg2.Get_val(id);
		PutBack(bd);
		seg2.Rem(bd);
		seg2.Add(now);
	}
}


//

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 3096 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 4592 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 159 ms 16896 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3380 KB Error - advice is too long
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# Verdict Execution time Memory Grader output
1 Runtime error 211 ms 19852 KB Execution killed with signal 11
2 Runtime error 204 ms 19724 KB Execution killed with signal 11
3 Runtime error 191 ms 19644 KB Execution killed with signal 11
4 Runtime error 172 ms 19720 KB Execution killed with signal 11
5 Runtime error 168 ms 19576 KB Execution killed with signal 11
6 Runtime error 195 ms 19632 KB Execution killed with signal 11
7 Runtime error 165 ms 19664 KB Execution killed with signal 11
8 Runtime error 185 ms 19672 KB Execution killed with signal 11
9 Runtime error 164 ms 19584 KB Execution killed with signal 11
10 Runtime error 189 ms 22352 KB Execution killed with signal 11